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[Bug-gsl] [bug #31854] A divide by zero in the gsl_ran_gamma_knuth()
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From: |
Brian Gough |
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Subject: |
[Bug-gsl] [bug #31854] A divide by zero in the gsl_ran_gamma_knuth() |
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Date: |
Wed, 15 Dec 2010 20:37:04 +0000 |
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User-agent: |
Mozilla/5.0 (X11; U; Linux i686; en-GB; rv:1.9.0.11) Gecko/2009061118 Fedora/3.0.11-1.fc9 Firefox/3.0.11 |
Update of bug #31854 (project gsl):
Status: Confirmed => Fixed
Open/Closed: Open => Closed
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Follow-up Comment #2:
This is now fixed in r4706. Thanks for the bug report!
=== modified file 'randist/gamma.c'
--- randist/gamma.c 2008-11-30 09:00:46 +0000
+++ randist/gamma.c 2010-12-14 21:53:37 +0000
@@ -120,6 +120,11 @@
on page 551. */
double p, q, x, u, v;
+
+ if (a == 0) {
+ return 0;
+ }
+
p = M_E / (a + M_E);
do
{
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